Feeling lost and looking for a sign, the speaker turns to the sky and finds comfort in the clouds. At first they seem like quiet company, and watching them eases her grief. She wonders whether they are sending her a message, argues with herself about it, then trusts a feeling that doesn't depend on sight. She sees a smile in the clouds and smiles back.
Later, when she feels low again and wants to shout, the clouds do it for her. They turn dark and thunder, and she screams along with them. When rain follows, she realizes she has misread the sky, and that rain is not just a water cycle but a mood. The ending turns this into a gentle lesson: clouds beam, clouds grieve, and we are allowed to do the same. The mood is tender, reassuring and a little playful, and the closing lines say that smiling and screaming are both natural.